A380 gear

One for the uber geeks
Why does the main gear on the A380 point diagonally forward when deployed airbourne whereas on any other plane (Airbus incl.) seems to point backwards, the B747 being the most obvious as it hangs near vertical?
Why does the main gear on the A380 point diagonally forward when deployed airbourne whereas on any other plane (Airbus incl.) seems to point backwards, the B747 being the most obvious as it hangs near vertical?